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+<!DOCTYPE html>
+<html>
+<head>
+ <title>CSSOM View - 7 - element.offsetWidth detatches correctly</title>
+ <link rel="author" title="Michael Howell" href="mailto:michael@notriddle.com">
+ <link rel="help" href="https://drafts.csswg.org/cssom-view-1/#dom-htmlelement-offsetwidth">
+ <meta name="flags" content="dom">
+ <meta name="assert" content="element.offsetWidth returns 0 when there is no documentElement.">
+ <script src="/resources/testharness.js"></script>
+ <script src="/resources/testharnessreport.js"></script>
+</head>
+<body>
+ <div id="myDiv">...</div>
+ <div id="log"></div>
+ <script>
+ test(function() {
+ // These asserts need to be in this order to trigger a bug in Servo.
+ var el = document.createElement("div");
+ el.appendChild(document.createTextNode("..."));
+ assert_equals(el.offsetWidth, 0, "new element has offset width not equal to zero");
+ assert_not_equals(document.getElementById("myDiv"), 0, "element with content has offset width equal to zero");
+ var html = document.removeChild(document.documentElement);
+ // Put back the root element, so that testharnessreport.js can append the result.
+ this.add_cleanup(function() { document.appendChild(html); });
+ assert_equals(el.offsetWidth, 0, "new element has offset width not equal to zero after removing documentElement");
+ });
+ </script>
+</body>
+</html>